Cov txheej txheem:

Koj tuaj yeem cais qhov sib tov li cas?
Koj tuaj yeem cais qhov sib tov li cas?

Video: Koj tuaj yeem cais qhov sib tov li cas?

Video: Koj tuaj yeem cais qhov sib tov li cas?
Video: Saib Mis paub Poj niam (hluas nkauj) tus yam ntxwv lub siab 2024, Kaum ib hlis
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Cov ntsiab lus

  1. Cov khoom xyaw tuaj yeem yog cais siv ntau yam txuj ci.
  2. Chromatography suav nrog kev sib cais hnyav ntawm cov khoom nruab nrab.
  3. Distillation siv qhov zoo ntawm qhov sib txawv ntawm cov ntsiab lus kub.
  4. Evaporation tshem tawm cov kua los ntawm kev daws kom tawm hauv cov khoom siv.
  5. Lim cais cov khib nyiab ntawm qhov sib txawv.

Ntawm no, 5 txoj hauv kev los cais qhov sib tov yog dab tsi?

Hauv qab no yog qee txoj hauv kev sib cais:

  1. Ntawv Chromatography. Txoj kev no feem ntau siv hauv kev lag luam khoom noj.
  2. Lim. Qhov no yog ib txoj kev ntau dua ntawm kev sib cais cov khoom insoluble los ntawm cov kua.
  3. Evaporation.
  4. Yooj yim distillation.
  5. Fractional distillation.

Tsis tas li, koj tuaj yeem cais ntau hom kev sib xyaw li cas? Ntau hom kev sib cais yog:

  1. Crystallization.
  2. Lim.
  3. Decantation.
  4. Sublimation.
  5. Evaporation.
  6. Yooj yim distillation.
  7. Fractional distillation.
  8. Chromatography.

Ua raws li qhov no, 7 txoj hauv kev los cais cov sib tov yog dab tsi?

Txheeb xyuas txoj hauv kev xaiv tes, Threshing, Winnowing, Sieving, Sib nqus Attraction, Sublimation, Evaporation , Crystallization, Sedimentation & Decantation, Chaw thau khoom, Lim , Distillation , Centrifugation, thiab ntawv Chromatography tuaj yeem siv tau hauv lub neej txhua hnub.

Dab tsi yog 10 txoj hauv kev ntawm kev sib cais sib xyaw?

Qee txoj hauv kev sib cais cov tshuaj los yog sib tov yog:

  • Kev xaiv tes.
  • Khaub ncaws.
  • Winnowing.
  • Sieving.
  • Evaporation.
  • Distillation.
  • Lim los yog Sedimentation.
  • Sib cais Funnel.

Pom zoo: